If you want to embed images or videos within your comments, you will have to just put the link and it will be automatically converted to picture or video embedded within the comment.

For example putting a link like below



will automatically convert it to a video as below





Similar is the case for pictures also. If the image you want to show is on your hard disk, you will have to first upload the picture to a free image hoster like photobucket.com. If it is available in the internet, just put the URL of that image.

Example, putting a link of photobucket image



Will be converted to an image as shown below



If you still cant embed image or video in your comment, shoot your doubt as reply to this post. We are ready to help you.